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volume copy: stream out copying progress and avoid grpc request timeout

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fix https://github.com/chrislusf/seaweedfs/issues/2386
This commit is contained in:
Chris Lu 2021-10-24 02:52:56 -07:00
parent 3be3c17f59
commit 5435027ff0
7 changed files with 874 additions and 779 deletions
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3
weed/pb/volume_server.proto
View file

@ -47,7 +47,7 @@ service VolumeServer {
}
// copy the .idx .dat files, and mount this volume
rpc VolumeCopy (VolumeCopyRequest) returns (VolumeCopyResponse) {
rpc VolumeCopy (VolumeCopyRequest) returns (stream VolumeCopyResponse) {
}
rpc ReadVolumeFileStatus (ReadVolumeFileStatusRequest) returns (ReadVolumeFileStatusResponse) {
}
@ -252,6 +252,7 @@ message VolumeCopyRequest {
}
message VolumeCopyResponse {
uint64 last_append_at_ns = 1;
int64 processed_bytes = 2;
}
message CopyFileRequest {

1541
weed/pb/volume_server_pb/volume_server.pb.go
View file

File diff suppressed because it is too large Load diff

55
weed/server/volume_grpc_copy.go
View file

@ -22,7 +22,7 @@ import (
const BufferSizeLimit = 1024 * 1024 * 2
// VolumeCopy copy the .idx .dat .vif files, and mount the volume
func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.VolumeCopyRequest) (*volume_server_pb.VolumeCopyResponse, error) {
func (vs *VolumeServer) VolumeCopy(req *volume_server_pb.VolumeCopyRequest, stream volume_server_pb.VolumeServer_VolumeCopyServer) error {
v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
if v != nil {
@ -31,7 +31,7 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
err := vs.store.DeleteVolume(needle.VolumeId(req.VolumeId))
if err != nil {
return nil, fmt.Errorf("failed to delete existing volume %d: %v", req.VolumeId, err)
return fmt.Errorf("failed to delete existing volume %d: %v", req.VolumeId, err)
}
glog.V(0).Infof("deleted existing volume %d before copying.", req.VolumeId)
@ -79,22 +79,38 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
}()
// println("source:", volFileInfoResp.String())
copyResponse := &volume_server_pb.VolumeCopyResponse{}
reportInterval := int64(1024*1024*128)
nextReportTarget := reportInterval
var modifiedTsNs int64
if modifiedTsNs, err = vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, dataBaseFileName, ".dat", false, true); err != nil {
var sendErr error
if modifiedTsNs, err = vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, dataBaseFileName, ".dat", false, true, func(processed int64) bool {
if processed > nextReportTarget {
copyResponse.ProcessedBytes = processed
if sendErr = stream.Send(copyResponse); sendErr != nil {
return false
}
nextReportTarget = processed + reportInterval
}
return true
}); err != nil {
return err
}
if sendErr != nil {
return sendErr
}
if modifiedTsNs > 0 {
os.Chtimes(dataBaseFileName+".dat", time.Unix(0, modifiedTsNs), time.Unix(0, modifiedTsNs))
}
if modifiedTsNs, err = vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.IdxFileSize, indexBaseFileName, ".idx", false, false); err != nil {
if modifiedTsNs, err = vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.IdxFileSize, indexBaseFileName, ".idx", false, false, nil); err != nil {
return err
}
if modifiedTsNs > 0 {
os.Chtimes(indexBaseFileName+".idx", time.Unix(0, modifiedTsNs), time.Unix(0, modifiedTsNs))
}
if modifiedTsNs, err = vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, dataBaseFileName, ".vif", false, true); err != nil {
if modifiedTsNs, err = vs.doCopyFile(client, false, req.Collection, req.VolumeId, volFileInfoResp.CompactionRevision, volFileInfoResp.DatFileSize, dataBaseFileName, ".vif", false, true, nil); err != nil {
return err
}
if modifiedTsNs > 0 {
@ -107,10 +123,10 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
})
if err != nil {
return nil, err
return err
}
if dataBaseFileName == "" {
return nil, fmt.Errorf("not found volume %d file", req.VolumeId)
return fmt.Errorf("not found volume %d file", req.VolumeId)
}
idxFileName = indexBaseFileName + ".idx"
@ -125,21 +141,25 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
}()
if err = checkCopyFiles(volFileInfoResp, idxFileName, datFileName); err != nil { // added by panyc16
return nil, err
return err
}
// mount the volume
err = vs.store.MountVolume(needle.VolumeId(req.VolumeId))
if err != nil {
return nil, fmt.Errorf("failed to mount volume %d: %v", req.VolumeId, err)
return fmt.Errorf("failed to mount volume %d: %v", req.VolumeId, err)
}
return &volume_server_pb.VolumeCopyResponse{
if err = stream.Send(&volume_server_pb.VolumeCopyResponse{
LastAppendAtNs: volFileInfoResp.DatFileTimestampSeconds * uint64(time.Second),
}, err
}); err != nil {
glog.Errorf("send response: %v", err)
}
return err
}
func (vs *VolumeServer) doCopyFile(client volume_server_pb.VolumeServerClient, isEcVolume bool, collection string, vid, compactRevision uint32, stopOffset uint64, baseFileName, ext string, isAppend, ignoreSourceFileNotFound bool) (modifiedTsNs int64, err error) {
func (vs *VolumeServer) doCopyFile(client volume_server_pb.VolumeServerClient, isEcVolume bool, collection string, vid, compactRevision uint32, stopOffset uint64, baseFileName, ext string, isAppend, ignoreSourceFileNotFound bool, progressFn storage.ProgressFunc) (modifiedTsNs int64, err error) {
copyFileClient, err := client.CopyFile(context.Background(), &volume_server_pb.CopyFileRequest{
VolumeId: vid,
@ -154,7 +174,7 @@ func (vs *VolumeServer) doCopyFile(client volume_server_pb.VolumeServerClient, i
return modifiedTsNs, fmt.Errorf("failed to start copying volume %d %s file: %v", vid, ext, err)
}
modifiedTsNs, err = writeToFile(copyFileClient, baseFileName+ext, util.NewWriteThrottler(vs.compactionBytePerSecond), isAppend)
modifiedTsNs, err = writeToFile(copyFileClient, baseFileName+ext, util.NewWriteThrottler(vs.compactionBytePerSecond), isAppend, progressFn)
if err != nil {
return modifiedTsNs, fmt.Errorf("failed to copy %s file: %v", baseFileName+ext, err)
}
@ -188,7 +208,7 @@ func checkCopyFiles(originFileInf *volume_server_pb.ReadVolumeFileStatusResponse
return nil
}
func writeToFile(client volume_server_pb.VolumeServer_CopyFileClient, fileName string, wt *util.WriteThrottler, isAppend bool) (modifiedTsNs int64, err error) {
func writeToFile(client volume_server_pb.VolumeServer_CopyFileClient, fileName string, wt *util.WriteThrottler, isAppend bool, progressFn storage.ProgressFunc) (modifiedTsNs int64, err error) {
glog.V(4).Infof("writing to %s", fileName)
flags := os.O_WRONLY | os.O_CREATE | os.O_TRUNC
if isAppend {
@ -200,6 +220,7 @@ func writeToFile(client volume_server_pb.VolumeServer_CopyFileClient, fileName s
}
defer dst.Close()
var progressedBytes int64
for {
resp, receiveErr := client.Recv()
if receiveErr == io.EOF {
@ -212,6 +233,12 @@ func writeToFile(client volume_server_pb.VolumeServer_CopyFileClient, fileName s
return modifiedTsNs, fmt.Errorf("receiving %s: %v", fileName, receiveErr)
}
dst.Write(resp.FileContent)
progressedBytes += int64(len(resp.FileContent))
if progressFn != nil {
if !progressFn(progressedBytes) {
return modifiedTsNs, fmt.Errorf("interrupted copy operation")
}
}
wt.MaybeSlowdown(int64(len(resp.FileContent)))
}
return modifiedTsNs, nil

8
weed/server/volume_grpc_erasure_coding.go
View file

@ -130,7 +130,7 @@ func (vs *VolumeServer) VolumeEcShardsCopy(ctx context.Context, req *volume_serv
// copy ec data slices
for _, shardId := range req.ShardIds {
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, dataBaseFileName, erasure_coding.ToExt(int(shardId)), false, false); err != nil {
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, dataBaseFileName, erasure_coding.ToExt(int(shardId)), false, false, nil); err != nil {
return err
}
}
@ -138,7 +138,7 @@ func (vs *VolumeServer) VolumeEcShardsCopy(ctx context.Context, req *volume_serv
if req.CopyEcxFile {
// copy ecx file
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, indexBaseFileName, ".ecx", false, false); err != nil {
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, indexBaseFileName, ".ecx", false, false, nil); err != nil {
return err
}
return nil
@ -146,14 +146,14 @@ func (vs *VolumeServer) VolumeEcShardsCopy(ctx context.Context, req *volume_serv
if req.CopyEcjFile {
// copy ecj file
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, indexBaseFileName, ".ecj", true, true); err != nil {
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, indexBaseFileName, ".ecj", true, true, nil); err != nil {
return err
}
}
if req.CopyVifFile {
// copy vif file
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, dataBaseFileName, ".vif", false, true); err != nil {
if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, dataBaseFileName, ".vif", false, true, nil); err != nil {
return err
}
}

2
weed/shell/command_volume_copy.go
View file

@ -53,6 +53,6 @@ func (c *commandVolumeCopy) Do(args []string, commandEnv *CommandEnv, writer io.
return fmt.Errorf("source and target volume servers are the same!")
}
_, err = copyVolume(commandEnv.option.GrpcDialOption, volumeId, sourceVolumeServer, targetVolumeServer, "")
_, err = copyVolume(commandEnv.option.GrpcDialOption, writer, volumeId, sourceVolumeServer, targetVolumeServer, "")
return
}

16
weed/shell/command_volume_fix_replication.go
View file

@ -255,13 +255,27 @@ func (c *commandVolumeFixReplication) fixOneUnderReplicatedVolume(commandEnv *Co
}
err := operation.WithVolumeServerClient(pb.NewServerAddressFromDataNode(dst.dataNode), commandEnv.option.GrpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
_, replicateErr := volumeServerClient.VolumeCopy(context.Background(), &volume_server_pb.VolumeCopyRequest{
stream, replicateErr := volumeServerClient.VolumeCopy(context.Background(), &volume_server_pb.VolumeCopyRequest{
VolumeId: replica.info.Id,
SourceDataNode: string(pb.NewServerAddressFromDataNode(replica.location.dataNode)),
})
if replicateErr != nil {
return fmt.Errorf("copying from %s => %s : %v", replica.location.dataNode.Id, dst.dataNode.Id, replicateErr)
}
for {
resp, recvErr := stream.Recv()
if recvErr != nil {
if recvErr == io.EOF {
break
} else {
return recvErr
}
}
if resp.ProcessedBytes > 0 {
fmt.Fprintf(writer, "volume %d processed %d bytes\n", replica.info.Id, resp.ProcessedBytes)
}
}
return nil
})

28
weed/shell/command_volume_move.go
View file

@ -78,7 +78,7 @@ func (c *commandVolumeMove) Do(args []string, commandEnv *CommandEnv, writer io.
func LiveMoveVolume(grpcDialOption grpc.DialOption, writer io.Writer, volumeId needle.VolumeId, sourceVolumeServer, targetVolumeServer pb.ServerAddress, idleTimeout time.Duration, diskType string, skipTailError bool) (err error) {
log.Printf("copying volume %d from %s to %s", volumeId, sourceVolumeServer, targetVolumeServer)
lastAppendAtNs, err := copyVolume(grpcDialOption, volumeId, sourceVolumeServer, targetVolumeServer, diskType)
lastAppendAtNs, err := copyVolume(grpcDialOption, writer, volumeId, sourceVolumeServer, targetVolumeServer, diskType)
if err != nil {
return fmt.Errorf("copy volume %d from %s to %s: %v", volumeId, sourceVolumeServer, targetVolumeServer, err)
}
@ -101,7 +101,7 @@ func LiveMoveVolume(grpcDialOption grpc.DialOption, writer io.Writer, volumeId n
return nil
}
func copyVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, sourceVolumeServer, targetVolumeServer pb.ServerAddress, diskType string) (lastAppendAtNs uint64, err error) {
func copyVolume(grpcDialOption grpc.DialOption, writer io.Writer, volumeId needle.VolumeId, sourceVolumeServer, targetVolumeServer pb.ServerAddress, diskType string) (lastAppendAtNs uint64, err error) {
// check to see if the volume is already read-only and if its not then we need
// to mark it as read-only and then before we return we need to undo what we
@ -141,15 +141,31 @@ func copyVolume(grpcDialOption grpc.DialOption, volumeId needle.VolumeId, source
}
err = operation.WithVolumeServerClient(targetVolumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
resp, replicateErr := volumeServerClient.VolumeCopy(context.Background(), &volume_server_pb.VolumeCopyRequest{
stream, replicateErr := volumeServerClient.VolumeCopy(context.Background(), &volume_server_pb.VolumeCopyRequest{
VolumeId: uint32(volumeId),
SourceDataNode: string(sourceVolumeServer),
DiskType: diskType,
})
if replicateErr == nil {
lastAppendAtNs = resp.LastAppendAtNs
if replicateErr != nil {
return replicateErr
}
return replicateErr
for {
resp, recvErr := stream.Recv()
if recvErr != nil {
if recvErr == io.EOF {
break
} else {
return recvErr
}
}
if resp.LastAppendAtNs != 0 {
lastAppendAtNs = resp.LastAppendAtNs
} else {
fmt.Fprintf(writer, "volume %d processed %d bytes\n", volumeId, resp.ProcessedBytes)
}
}
return nil
})
return